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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [doc/] [html/] [cdl-guide/] [ref.include-files.html] - Rev 598
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><H1
><A
NAME="REF.INCLUDE-FILES"><SPAN
CLASS="PROPERTY"
>include_files</SPAN
></H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN4577"
></A
><H2
>Name</H2
>Property <SPAN
CLASS="PROPERTY"
>include_files</SPAN
> -- List the header files that are exported by a package.</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN4581"><H2
>Synopsis</H2
><TABLE
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><TD
><PRE
CLASS="SYNOPSIS"
>cdl_package <name> {
include_files <file1> …
…
}</PRE
></TD
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></TABLE
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN4583"
></A
><H2
>Description</H2
><P
>Most packages export one or more header files defining their public
interface. For example the C library exports header files such as
<TT
CLASS="FILENAME"
>stdio.h</TT
> and
<TT
CLASS="FILENAME"
>ctype.h</TT
>.
If the package follows the <A
HREF="package.html#PACKAGE.HIERARCHY"
>directory
layout conventions</A
> then the exported header files will normally
be found in the package's
<TT
CLASS="FILENAME"
>include</TT
> sub-directory. For
packages which do not follow these conventions, typically simple ones
for which a complicated sub-directory hierarchy is undesirable, there
has to be an alternative way of specifying which header file or files
define the public interface. The <SPAN
CLASS="PROPERTY"
>include_files</SPAN
> property provides
support for this.</P
><P
>By default, if a package does not have an
<TT
CLASS="FILENAME"
>include</TT
> subdirectory and it
does not have an <SPAN
CLASS="PROPERTY"
>include_files</SPAN
> property then all files with a suffix
of <TT
CLASS="LITERAL"
>.h</TT
>, <TT
CLASS="LITERAL"
>.hxx</TT
>,
<TT
CLASS="LITERAL"
>.inl</TT
> or <TT
CLASS="LITERAL"
>.inc</TT
> will be treated as
public header files. However some of these may be private files
containing implementation details. If there is an
<SPAN
CLASS="PROPERTY"
>include_files</SPAN
> property then only the files listed in that property
will be exported.</P
><P
>If a package should not export any header files but does contain
private implementation headers, an <SPAN
CLASS="PROPERTY"
>include_files</SPAN
> property with no
arguments should be used.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
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></A
><H2
>Example</H2
><TABLE
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><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>cdl_package <SOME_PACKAGE> {
…
include_dir <some directory>
include_files interface.h
}
cdl_package <ANOTHER_PACKAGE> {
…
include_files
}</PRE
></TD
></TR
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><A
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></A
><H2
>See Also</H2
><P
>Property <A
HREF="ref.include-dir.html"
><SPAN
CLASS="PROPERTY"
>include_dir</SPAN
></A
>, and
command <A
HREF="ref.cdl-package.html"
><TT
CLASS="LITERAL"
>cdl_package</TT
></A
>.</P
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